Buggy code:
public class RegistrySharedObject extends BaseSharedObject implements IRemoteServiceContainerAdapter { protected RemoteServiceRegistryImpl localRegistry ; protected final Map remoteRegistrys = Collections . synchronizedMap ( new HashMap ( ) ) ; protected final List serviceListeners = new ArrayList ( ) ; protected final Map localServiceRegistrations = new HashMap ( ) ; protected Map addRegistrationRequests = new Hashtable ( ) ; protected int addRegistrationRequestTimeout = RegistrySharedObject . ADD_REGISTRATION_REQUEST_TIMEOUT ; protected List requests = Collections . synchronizedList ( new ArrayList ( ) ) ; protected IConnectContext connectContext ; protected final Object rsConnectLock = new Object ( ) ; protected boolean rsConnected = false ; protected int rsConnectTimeout = RegistrySharedObject . ADD_REGISTRATION_REQUEST_TIMEOUT ; private ListenerQueue rsListenerDispatchQueue ; private final Object rsQueueLock = new Object ( ) ; private EventManager rsListenerDispatchEventManager ; public RegistrySharedObject ( ) { } protected int getRSConnectTimeout ( ) { } public void dispose ( ID containerID ) { } public void addRemoteServiceListener ( IRemoteServiceListener listener ) { } public void removeRemoteServiceListener ( IRemoteServiceListener listener ) { } public IRemoteService getRemoteService ( IRemoteServiceReference reference ) { } private void addReferencesFromRemoteRegistrys ( ID [ ] idFilter , String clazz , IRemoteFilter remoteFilter , List referencesFound ) { } protected int getAddRegistrationRequestTimeout ( ) { } public IRemoteServiceReference [ ] getAllRemoteServiceReferences ( String clazz , String filter ) throws InvalidSyntaxException { } public IRemoteServiceReference [ ] getRemoteServiceReferences ( ID targetID , String clazz , String filter ) throws ContainerConnectException , InvalidSyntaxException { } protected void connectToRemoteServiceTarget ( ID targetID ) throws ContainerConnectException { } private void waitForConnectedEvent ( ISharedObjectContext context , ID targetID ) throws ContainerConnectException { } public IRemoteServiceReference [ ] getRemoteServiceReferences ( ID [ ] idFilter , String clazz , String filter ) throws InvalidSyntaxException { } protected Serializable getAddRegistrationRequestCredentials ( AddRegistrationRequest request ) { } protected ID [ ] getTargetsFromProperties ( Dictionary properties ) { } public IRemoteServiceRegistration registerRemoteService ( String [ ] clazzes , Object service , Dictionary properties ) { } public boolean ungetRemoteService ( IRemoteServiceReference ref ) { } protected ISharedObjectContext getSOContext ( ) { } public void initialize ( ) throws SharedObjectInitException { } protected void handleContainerEjectedEvent ( IContainerEjectedEvent arg0 ) { } private void handleTargetGoneEvent ( ID targetID ) { } protected void setRegistryConnected ( boolean connected ) { } protected void handleContainerDisconnectedEvent ( IContainerDisconnectedEvent event ) { } protected void sendRegistryUpdate ( ID targetContainerID ) { } private Hashtable pendingUpdateContainers = new Hashtable ( ) ; private void addPendingContainers ( ID [ ] ids ) { } private boolean removePendingContainers ( ID id ) { } private boolean anyPending ( ID [ ] containerIDs ) { } private void waitForPendingUpdatesAfterConnect ( long timeout ) { } private void waitForPendingUpdates ( ID [ ] containerIDs , long timeout ) { } protected void handleContainerConnectedEvent ( IContainerConnectedEvent event ) { } private Request createRequest ( RemoteServiceRegistrationImpl remoteRegistration , IRemoteCall call , IRemoteCallListener listener ) { } void doFireRemoteServiceListeners ( IRemoteServiceEvent event ) { } protected void fireRemoteServiceListeners ( IRemoteServiceEvent event ) { synchronized ( rsQueueLock ) { if ( ( rsListenerDispatchQueue ) == null ) { ID containerID = getLocalContainerID ( ) ; <START_BUG> String threadGroupName = "RSRegistry<seq2seq4repair_space>Dispatcher<seq2seq4repair_space>for<seq2seq4repair_space>" + ( containerID . getName ( ) ) ; <END_BUG> ThreadGroup eventGroup = new ThreadGroup ( threadGroupName ) ; eventGroup . setDaemon ( true ) ; rsListenerDispatchEventManager = new EventManager ( threadGroupName , eventGroup ) ; rsListenerDispatchQueue = new ListenerQueue ( rsListenerDispatchEventManager ) ; CopyOnWriteIdentityMap listeners = new CopyOnWriteIdentityMap ( ) ; listeners . put ( this , this ) ; rsListenerDispatchQueue . queueListeners ( listeners . entrySet ( ) , new EventDispatcher ( ) { public void dispatchEvent ( Object eventListener , Object listenerObject , int eventAction , Object eventObject ) { doFireRemoteServiceListeners ( ( ( IRemoteServiceEvent ) ( eventObject ) ) ) ; } } ) ; } } rsListenerDispatchQueue . dispatchEventAsynchronous ( 0 , event ) ; } private RemoteServiceRegistrationImpl getRemoteServiceRegistrationImpl ( IRemoteServiceReference reference ) { } private void addReferencesFromRegistry ( String clazz , IRemoteFilter remoteFilter , RemoteServiceRegistryImpl registry , List references ) { } protected Object callSynch ( RemoteServiceRegistrationImpl registration , IRemoteCall call ) throws ECFException { } protected void fireCallStartEvent ( IRemoteCallListener listener , final long requestId , final IRemoteServiceReference reference , final IRemoteCall call ) { } protected void fireCallCompleteEvent ( IRemoteCallListener listener , final long requestId , final Object response , final boolean hadException , final Throwable exception ) { } static String checkServiceClass ( final String [ ] clazzes , final Object serviceObject ) { } private static boolean extensiveCheckServiceClass ( String clazz , Class serviceClazz ) { } private static final String FIRE_REQUEST = "handleFireRequest" ; private static final String FIRE_REQUEST_ERROR_MESSAGE = "exception<seq2seq4repair_space>sending<seq2seq4repair_space>fire<seq2seq4repair_space>request<seq2seq4repair_space>message" ; private static final int FIRE_REQUEST_ERROR_CODE = 202 ; private static final String CALL_REQUEST = "handleCallRequest" ; private static final String CALL_REQUEST_ERROR_MESSAGE = "exception<seq2seq4repair_space>sending<seq2seq4repair_space>call<seq2seq4repair_space>request<seq2seq4repair_space>message" ; private static final int CALL_REQUEST_ERROR_CODE = 203 ; private static final String CALL_REQUEST_TIMEOUT_ERROR_MESSAGE = "timeout<seq2seq4repair_space>for<seq2seq4repair_space>remote<seq2seq4repair_space>call" ; private static final int CALL_REQUEST_TIMEOUT_ERROR_CODE = 204 ; private static final String UNREGISTER = "handleUnregister" ; private static final String UNREGISTER_ERROR_MESSAGE = "exception<seq2seq4repair_space>sending<seq2seq4repair_space>service<seq2seq4repair_space>unregister<seq2seq4repair_space>message" ; private static final int UNREGISTER_ERROR_CODE = 206 ; private static final int MSG_INVOKE_ERROR_CODE = 207 ; private static final int SERVICE_INVOKE_ERROR_CODE = 208 ; private static final String CALL_RESPONSE = "handleCallResponse" ; private static final String CALL_RESPONSE_ERROR_MESSAGE = "Exception<seq2seq4repair_space>sending<seq2seq4repair_space>response" ; private static final int CALL_RESPONSE_ERROR_CODE = 210 ; private static final String REQUEST_NOT_FOUND_ERROR_MESSAGE = "request<seq2seq4repair_space>not<seq2seq4repair_space>found<seq2seq4repair_space>for<seq2seq4repair_space>response" ; private static final int REQUEST_NOT_FOUND_ERROR_CODE = 211 ; private static final long RESPONSE_WAIT_INTERVAL = 5000 ; private static final String ADD_REGISTRATION = "handleAddRegistration" ; private static final String ADD_REGISTRATIONS = "handleAddRegistrations" ; private static final String ADD_REGISTRATION_ERROR_MESSAGE = "exception<seq2seq4repair_space>sending<seq2seq4repair_space>add<seq2seq4repair_space>service<seq2seq4repair_space>registration<seq2seq4repair_space>message" ; private static final int ADD_REGISTRATION_ERROR_CODE = 212 ; private static final String ADD_REGISTRATION_REFUSED = "handleAddRegistrationRefused" ; private static final String ADD_REGISTRATION_REFUSED_ERROR_MESSAGE = "Error<seq2seq4repair_space>sending<seq2seq4repair_space>addRegistration<seq2seq4repair_space>refused" ; private static final int ADD_REGISTRATION_REFUSED_ERROR_CODE = 214 ; private static final String REQUEST_SERVICE = "handleRequestService" ; private static final int REQUEST_SERVICE_ERROR_CODE = 213 ; private static final String REQUEST_SERVICE_ERROR_MESSAGE = "Error<seq2seq4repair_space>sending<seq2seq4repair_space>requestServiceReference" ; private static final String REGISTRY_UPDATE_REQUEST = "handleRegistryUpdateRequest" ;

Fix:
String threadGroupName = "RSRegistry<seq2seq4repair_space>Dispatcher<seq2seq4repair_space>for<seq2seq4repair_space>containerID=" + containerID ;